CN209356267U - A kind of water-soluble gas standard experimental solutions manufacturing system of definite value trace - Google Patents
A kind of water-soluble gas standard experimental solutions manufacturing system of definite value trace Download PDFInfo
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- CN209356267U CN209356267U CN201822144777.1U CN201822144777U CN209356267U CN 209356267 U CN209356267 U CN 209356267U CN 201822144777 U CN201822144777 U CN 201822144777U CN 209356267 U CN209356267 U CN 209356267U
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Abstract
The utility model discloses a kind of water-soluble gas standard experimental solutions manufacturing systems of definite value trace, including feeder, vacuum pump and gas chromatograph, vacuum pump is connected with vacuum siphunculus, feeder is connected with by pipeline determines gas liquid dispensing device A, determine gas liquid dispensing device B and bottom is provided with the second stoste processing unit of heating device, and determine gas liquid dispensing device A, the outlet side for determining gas liquid dispensing device B and the second stoste processing unit passes through pipeline and is connected on vacuum siphunculus, vacuum siphunculus is connected with the first stoste processing unit, and first stoste processing unit be connected on feeder and be formed into a loop by pipeline, gas chromatograph is connected on the pipeline between the second stoste processing unit and vacuum siphunculus, stoste manufacturing process is not introduced into any impurity according to chemical reaction, safety, stablize, efficiently, green, environmental protection, it is low in cost , it is easy to operate.
Description
Technical field
The utility model relates to natural gas field, specially a kind of definite value trace water-soluble gas standard experimental solutions production system
System.
Background technique
Gas hydrates are expected to become the clean energy resource of substitution conventional gas and oil, obtain including the U.S., Japan, South Korea, print
The extensive attention of countries in the world government, academia and business circles including degree, China." the main Gas Hydrate In Sea Areas in China
The national key special subjects of resource investigation and evaluation ", by more than 10 years geology, geophysics and geochemistry comprehensive survey, discovery
A collection of important hydrate resource target area, in sea areas such as refreshing foxes, probing obtains hydrate sample, and is successfully made
Hydrate runin in continuous 42 days is adopted, and natural gas hydrate exploration method and production technique achieve enable the world attract attention great prominent
It is broken.It is empty to sea bottom hydrate ore body as the hydrate resource exploration in the main sea area in China steps into detailed survey and mining phase
Between the required precision of detecting that is distributed significantly improve, existing ocean routine geochemistry measuring device low efficiency, low precision, can not
Differentiate geochemistry weak anomaly existing for instruction hydrate ore body, it is difficult to meet China's hydrate resource detailed survey, exploration and exploitation
Needs.Newly developed near Sea Bottom original position geochemistry integrates sensor-based system, may be implemented while ship is walked and navigated to sea
The high-precision real-time measurement of the trace gas content such as dissolved methane, carbon dioxide and hydrogen sulfide in water, detection limit are lower than 20ppbv
(1nM) provides technical support for China's natural gas hydrate ore body fine granularing scalability and exploitation.Near Sea Bottom original position geochemistry is comprehensive
The high-precision real-time measurement of sensor-based system is based on water-soluble to trace amounts of methane, carbon dioxide, hydrogen sulfide in the quantitative seawater drawn
The real-time analysis of gas is tested, due to the nonlinear object of sensor near Sea Bottom Multivariate analysis system, according to curve matching
Theory, calibration point is more, and the input/output curve of fitting is more accurate, and high-precision calibrating is carried out to analysis system, different dense
Spending the polynary water-soluble gas standard experimental solutions of trace amounts of methane carbon dioxide hydrogen sulfide is necessary condition.Currently, related definite value trace
The production specification and normal process of polynary water-soluble gas standard solution do not expressly provide, rare relevant report, in order to solve this
Problem devises the production program of this water-soluble gas standard test solution of definite value trace amounts of methane carbon dioxide hydrogen sulfide.
The production of normal mixture body mostly uses a kind of high-purity gas to make carrier gas and adds one or more of other height again
Pure gas is formulated.The preparation method of calibrating gas mainly has weighing method, partial pressure method, volumetric method, osmosis, saturation, electricity
Solution, exponential dilution method, flow-rate ratio mixing method etc. are divided into static volumetric method and Devince By Dynamic Gas Ration Method from the angle of aerodynamics.
Standard solution preparation mostly uses the methods of volumetric method, neutralisation, oxidation-reduction method, compleximetry.And weighing method, partial pressure method,
The preparation method and appearance of the calibrating gas such as volumetric method, osmosis, saturation, electrolysis method, exponential dilution method, flow-rate ratio mixing method
The preparation method of the standard solution such as amount method, neutralisation, oxidation-reduction method, compleximetry, not applicable definite value trace amounts of methane two
The production of the water-soluble gas standard test solution of carbonoxide hydrogen sulfide ternary, at present specifically for definite value trace amounts of methane carbon dioxide sulphur
Change the production program or blank of the water-soluble gas standard solution of hydrogen ternary.
Summary of the invention
In order to overcome the shortcomings of prior art, the utility model provides a kind of water-soluble gas standard experiment of definite value trace
Solution manufacturing system can effectively solve the problem of background technique proposes.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of water-soluble gas standard experimental solutions manufacturing system of definite value trace, including feeder, vacuum pump and gas phase
Chromatograph, the vacuum pump are connected with vacuum siphunculus, and the feeder is connected with by pipeline to be determined gas liquid dispensing device A, determines gas
Liquid dispensing device B and bottom are provided with the second stoste processing unit of heating device, and described determine gas liquid dispensing device A, determine gas with liquid
The outlet side of device B and the second stoste processing unit passes through pipeline and is connected on vacuum siphunculus, one end of the vacuum siphunculus
It is connected with the first stoste processing unit, and the first stoste processing unit is connected on feeder by pipeline and is formed back
Road, the gas chromatograph are connected on the pipeline between the second stoste processing unit and vacuum siphunculus；
The outlet part determined gas liquid dispensing device A and determine gas liquid dispensing device B is connected to the second stoste processing dress by pipeline
The water entering section set, the outlet part of the second stoste processing unit is separately connected by pipeline determines gas liquid dispensing device A and determines gas to match
The water entering section of liquid device B.
Further, the first stoste processing unit includes several original fluid containers arranged side by side, and adjacent original fluid container it
Between linked together by connecting tube；The first stoste processing unit and gas chromatograph are placed in sterile board, and institute
It states and determines gas liquid dispensing device A and determine gas liquid dispensing device B to be placed in sterile board.
Further, the lid that the second stoste processing unit includes tank body and is mounted on tank body by sealing ring
Plate, the bottom of the tank body is provided with inlet pipeline and air inlet pipeline, and the air inlet pipeline is connected with scrollwork tracheae, the whirlpool
The surface of volume gas pipe is provided with stomata, and the tank interior is provided with valve clack device, the tank surface positioned at valve clack device bottom side
It is provided with outlet pipeline.
Further, the scrollwork tracheae helically rises shape, and each circle semidiameter of the scrollwork tracheae is 30mm,
And the distance between adjacent air holes are 20mm, and the inner sidewall and bottom table of each circle of scrollwork tracheae is arranged in the stomata
Face.
Further, the gas chromatograph includes shell and the analyzer for being mounted on case top, the shell
Bottom is provided with needle valve assembly, and the enclosure interior is provided with pneumatic seat, and the pneumatic seat is connected with tub by shaft,
Annular is provided with several chromatographic columns in the tub, and the chromatographic column is by pipeline linking parsing device, and the chromatographic column
Top spiral is equipped with intake valve, and detector is provided on the intake valve, and the column bottom is connected with micro- by pipeline
Sample introduction needle is measured, and the micro-sampling pin and needle valve assembly are on the same axis, the tub is mounted on shell by transposer
Internal portion.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model mainly applies vacuum outgas and Puffing and trapping, is taken out stoste the top of the warehouse by vacuum system
To negative pressure of vacuum, so that the stoste in storehouse is depressured degassing, dissolved gas therein is removed, then in stoste processing unit bottom with height
Argon gas purging is pressed, replaces methane gas therein according to law of buoyancy, is allowed to be discharged from top gas outlet, may further remove
The gas componants such as methane, carbon dioxide, air in stoste and headspace make to save as in stoste storehouse without containing methane dioxy
Change the stoste of the gas componants such as carbon hydrogen sulfide；
(2) the utility model has further supplemented the polynary Water Soluble Gas standard test solution production method of trace perfect, makes up
For the deficiency of the gas contents weak anomaly landmark identification such as CH4, H2S near Sea Bottom seawater in hydrate resource investigation, it is ensured that
The standard of the trace gas content such as CH4, H2S in the comprehensive sensor-based system analysis test seawater of near Sea Bottom original position many reference amounts geochemistry
Exactness；
(3) the utility model is with the precipitation reaction of hydrogen sulfide hydrogen peroxide oxidation, the reaction of hydrogen peroxide heat resolve, carbon dioxide
Heat resolve reaction and Archimedes buoyancy principle be cardinal principle foundation, by high purity water carry out oxidation precipitation, filtering,
The processing such as heating, purging displacement, first stoste of the acquisition without the object gas such as hydrogen sulfide carbon dioxide and methane, then by micro
The hydrogen sulfide of particular magnitude, carbon dioxide, methane gas are added into stoste and is allowed to be dissolved in stoste for sample introduction needle, finally obtain
Obtain the standard test solution of the water-soluble gas of definite value trace；Stoste manufacturing process foundation, which chemically reacts, is not introduced into any impurity, safety,
It is stable, efficient, green, environmentally friendly, low in cost, easy to operate.
(4) gas chromatograph of the utility model can carry out a gas chromatographic analysis in unit interval, simultaneously
The detection of gas is carried out using different gas chromatographic columns every time, to reduce after primary sample, internal argon gas residual is made
At sample volume variation, to avoid impacting the detection accuracy of foreign gas.
Detailed description of the invention
Fig. 1 is the system integrated piping attachment structure schematic diagram of the utility model；
Fig. 2 is the second stoste processing device structure diagram of the utility model；
Fig. 3 is the gas chromatograph structural schematic diagram of the utility model.
Figure label:
1- feeder；2- vacuum pump；3- gas chromatograph；4- determines gas liquid dispensing device A；5- determines gas liquid dispensing device B；6-
Two stoste processing units；7- vacuum siphunculus；8- the first stoste processing unit；9- connecting tube；10- sterile board；
301- shell；302- analyzer；303 needle valve assemblies；The pneumatic seat of 304-；305- tub；306- chromatographic column；307-
Intake valve；308- detector；309- sample introduction needle；
601- tank body；602- cover board；603- inlet pipeline；604- air inlet pipeline；605- scrollwork tracheae；606- stomata；
607- outlet pipeline.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1 to Figure 3, the utility model provides a kind of definite value trace water-soluble gas standard experimental solutions production system
System, including feeder 1, vacuum pump 2 and gas chromatograph 3, it is characterised in that: vacuum pump 2 is connected with vacuum siphunculus 7, supplies
Device of air 1 is connected with by pipeline to be determined gas liquid dispensing device A4, determines gas liquid dispensing device B5 and bottom is provided with the second of heating device
Stoste processing unit 6, and determine gas liquid dispensing device A4, determine gas liquid dispensing device B5 and the outlet side of the second stoste processing unit 6 is logical
Piping is connected on vacuum siphunculus 7, and one end of vacuum siphunculus 7 is connected with the first stoste processing unit 8, and the first stoste is handled
Device 8 is connected on feeder 1 by pipeline and is formed into a loop, and gas chromatograph 3 is connected to the second stoste processing unit 6 and true
On pipeline between empty siphunculus 7；
Determine gas liquid dispensing device A4 and the second stoste processing unit 6 is connected to by pipeline with the outlet part for determining gas liquid dispensing device B5
Water entering section, the outlet part of the second stoste processing unit 6 be separately connected by pipeline determines gas liquid dispensing device A4 and determine gas with liquid dress
Set the water entering section of B5.
First stoste processing unit 8 includes several original fluid containers arranged side by side, and passes through connecting tube 9 between adjacent original fluid container
It links together；First stoste processing unit 8 and gas chromatograph 3 are placed in sterile board 10, and determine gas liquid dispensing device A4
It is placed in sterile board 10 with gas liquid dispensing device B5 is determined.
Second stoste processing unit 6 includes tank body 601 and is mounted on the cover board 602 on tank body 601, tank by sealing ring
The bottom of body 601 is provided with inlet pipeline 603 and air inlet pipeline 604, and air inlet pipeline 604 is connected with scrollwork tracheae 605, whirlpool
The surface of volume gas pipe 605 is provided with stomata 606, and tank body 601 is internally provided with clack valve, positioned at 601 surface of tank body of 1 bottom side of clack valve
It is provided with outlet pipeline 607.
The working principle of this system is: when the system starts, vacuum pump 2 by paper extraction negative pressure of vacuum in sterile board 10,
Simultaneously by the first stoste processing unit 8, the second stoste processing unit 6, determine gas liquid dispensing device A4 and determine gas liquid dispensing device B5 pumping bear
Pressure, then the argon gas passed through in feeder 1 carry out the first stoste processing unit 8, the second stoste processing unit 6, determine gas with liquid dress
It sets A4 and determines the displacement of air in gas liquid dispensing device B5, exclude air, produce the working environment of pure argon；Then by the first original
The high purity water under ar gas environment in liquid processing device 8 adds hydrogen peroxide oxidation precipitating to remove hydrogen sulfide, and is gated by hand-operated valve
System is by top solution the second stoste processing unit 6 of importing for the treatment of fluid, carbon dioxide of going out after being heated by heating device,
After the treatment fluid in the second stoste processing unit 6 is cooling, feeder 1 continues to be passed through argon gas, carries out the second stoste processing dress
It sets argon gas in 6 to purge, removes the gases such as methane of Shanghai in the second principle processing unit 6, obtain largely without hydrogen sulfide, titanium dioxide
The stoste R3 of carbon and methane gas；
The gas chromatograph 3 connected on the top duct of the second stoste processing unit 6 will regularly detect the second stoste
The gas purged in processing unit 6, if detecting carbon dioxide, the cooling second stoste processing unit 6 of Repeat-heating, if detection
To hydrogen sulfide, then the repeatedly oxidation precipitation in the first stoste processing unit 8；
During excluding carbon dioxide, filled into the stoste R1 in the second stoste processing unit 6 in the processing of the second stoste
It sets in 6 and is heated, the carbonic acid being dissolved in water is converted into form of carbon dioxide, and the argon gas purging provided through feeder 1 is released
It puts to head space in storehouse, because the opposite outside air of argon gas pressure is positive pressure in original fluid container, and carbon dioxide density is lower than argon gas
Density, the main function of the second stoste processing unit 6 are the water-soluble gas of carbon dioxide removed in ultrapure water according to chemical reaction,
And according to the carbon dioxide in pressure principle and law of buoyancy emptying stoste storehouse, make finally to save no carbon dioxide in stoste storehouse
Stoste R2, so carbon dioxide can be discharged outside storehouse by the gas outlet at top.This process can remove the titanium dioxide in ultrapure water
The water-soluble gas of carbon and overall process do not introduce new impurity, environmentally protective.
Scrollwork tracheae 605 helically rises shape, and each circle semidiameter of scrollwork tracheae 605 is 30mm, and adjacent air holes
The distance between 606 be 20mm, and the scrollwork tracheae 605 for helically rising shape can obtain and the biggish contact surface of stoste, and gas
The inner sidewall and bottom surface of each circle of scrollwork tracheae 605 is arranged in hole 606, can carry out radial direction to stoste and bottom is blown
Gas increases the process of gas in water to the stomata of bottom blowing, and the stomata radially blown then increases the randomness of water body, from
And improve the solution degree of gas in water.
Gas chromatograph 3 includes shell 301 and the analyzer 302 for being mounted on 301 top of shell, the bottom of shell 301
It is provided with needle valve assembly 303, shell 301 is internally provided with pneumatic seat 304, and pneumatic seat 304 is connected with tub by shaft
305, annular is provided with several chromatographic columns 306 in tub 305, and chromatographic column 306 is by pipeline linking parsing device 302, and chromatography
The top spiral of column 306 is equipped with intake valve 307, and detector 308 is provided on intake valve 307, and 306 bottom of chromatographic column passes through
Pipeline is connected with micro-sampling pin 309, and micro-sampling pin 309 and needle valve assembly 303 are on the same axis, and tub 305 passes through
Transposer is mounted on inside shell 301；
Gas chromatograph 3 in the utility model carries out the sampling of a micro-sampling pin 310 within the predetermined time,
The detection 306 of gas is carried out using different chromatographic columns every time simultaneously, to reduce after primary sample, internal argon gas residual
Caused by sample volume change, to avoid impacting the detection accuracy of foreign gas, when being sampled, pass through setting
There is the shaft of the pneumatic seat 304 of Pneumatic extension bar to push tub 305, so that micro-sampling pin 309 and needle-valve group in tub 305
Part 303 contacts, and micro-sampling pin 310 is pierced into needle valve assembly 303, and argon gas will be in the second stoste processing unit 6 as drainage gas
Gas introduce, and analyzer 302 is sent by the detection data in detector 308, obtains analysis result；
After the completion of sampling, the driving force of the Pneumatic extension bar in pneumatic seat 304 is cancelled, and the bottom of tub 305 is provided with
Spring is sprung back, and under the action of transposer, carries out the transposition of a chromatographic column 306, the reality of the transposer
The working principle of matter is similar to the springing structure of cylinder pen.
The utility model is added with the precipitation reaction of hydrogen sulfide hydrogen peroxide oxidation, the reaction of hydrogen peroxide heat resolve, carbon dioxide
Pyrolysis and Archimedes buoyancy principle are cardinal principle foundation, by carrying out oxidation precipitation to high purity water, filtering, adding
Heat, purging displacement etc. processing, first acquisition the stoste without the object gas such as hydrogen sulfide carbon dioxide and methane, then by it is micro into
The hydrogen sulfide of particular magnitude, carbon dioxide, methane gas are added into stoste and is allowed to be dissolved in stoste for sample needle, final to obtain
The standard test solution of the water-soluble gas of definite value trace；Stoste manufacturing process is not introduced into any impurity according to chemical reaction, safe, steady
It is fixed, efficient, green, environmentally friendly, low in cost, easy to operate.
It should be added that principle is according to including hydrogen sulfide hydrogen peroxide oxidation precipitation reaction a, hydrogen peroxide heating point
Solution reaction b, carbon dioxide heat resolve reaction c and Archimedes buoyancy principle.Wherein, chemical reaction a is to add hydrogen peroxide
Except the chemical principle of hydrogen sulfide gas in aqueous solution, reacting b is the extra hydrogen peroxide of removal without introducing foreign gas
Chemical principle, reaction c are the chemical principles of heating removal dissolved carbon dioxide, and Archimedes buoyancy principle is with argon
Gas excludes the principle of the light gas such as air carbon dioxide and methane:
H2O2+H2S==S (precipitating) ↓+2H2O a
2H2O2=heating=2H2O+O2 b
H2CO3=heating=CO2+H2O c。
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of water-soluble gas standard experimental solutions manufacturing system of definite value trace, including feeder (1), vacuum pump (2) and
Gas chromatograph (3), it is characterised in that: the vacuum pump (2) is connected with vacuum siphunculus (7), and the feeder (1) passes through pipe
Road be connected with determine gas liquid dispensing device A (4), determine gas liquid dispensing device B (5) and bottom be provided with heating device the second stoste processing dress
(6) are set, and described determine gas liquid dispensing device A (4), determine gas liquid dispensing device B (5) and the outlet side of the second stoste processing unit (6) is equal
It being connected on vacuum siphunculus (7) by pipeline, one end of the vacuum siphunculus (7) is connected with the first stoste processing unit (8), and
The first stoste processing unit (8) is connected on feeder (1) by pipeline and is formed into a loop, the gas chromatograph (3)
It is connected on the pipeline between the second stoste processing unit (6) and vacuum siphunculus (7)；
The outlet part for determining gas liquid dispensing device A (4) He Dingqi liquid dispensing device B (5) is connected to the processing of the second stoste by pipeline
The water entering section of device (6), the outlet part of the second stoste processing unit (6) is separately connected by pipeline determines gas liquid dispensing device A
(4) water entering section of He Dingqi liquid dispensing device B (5).
2. the water-soluble gas standard experimental solutions manufacturing system of a kind of definite value trace according to claim 1, it is characterised in that:
The first stoste processing unit (8) includes several original fluid containers arranged side by side, and passes through connecting tube (9) between adjacent original fluid container
It links together；The first stoste processing unit (8) and gas chromatograph (3) are placed in sterile board (10), and described
Determine gas liquid dispensing device A (4) He Dingqi liquid dispensing device B (5) to be placed in sterile board (10).
3. the water-soluble gas standard experimental solutions manufacturing system of a kind of definite value trace according to claim 1, it is characterised in that:
The second stoste processing unit (6) includes tank body (601) and is mounted on the cover board on tank body (601) by sealing ring
(602), the bottom of the tank body (601) is provided with inlet pipeline (603) and air inlet pipeline (604), and the air inlet pipeline
(604) it is connected with scrollwork tracheae (605), the surface of the scrollwork tracheae (605) is provided with stomata (606), the tank body (601)
It is internally provided with clack valve, tank body (601) surface positioned at clack valve bottom side is provided with outlet pipeline (607).
4. the water-soluble gas standard experimental solutions manufacturing system of a kind of definite value trace according to claim 3, it is characterised in that:
The scrollwork tracheae (605) helically rises shape, and each circle semidiameter of the scrollwork tracheae (605) is 30mm, and adjacent
The distance between stomata (606) is 20mm, and the stomata (606) setting is in the inner sidewall of each circle of scrollwork tracheae (605)
And bottom surface.
5. the water-soluble gas standard experimental solutions manufacturing system of a kind of definite value trace according to claim 1, it is characterised in that:
The gas chromatograph (3) includes shell (301) and the analyzer (302) being mounted at the top of shell (301), the shell
(301) bottom is provided with needle valve assembly (303), and the shell (301) is internally provided with pneumatic seat (304), the pneumatic seat
(304) it being connected with tub (305) by shaft, annular is provided with several chromatographic columns (306) on the tub (305),
The chromatographic column (306) is by pipeline linking parsing device (307), and the top spiral of the chromatographic column (306) is equipped with air inlet
Valve (308) is provided with detector (309) on the intake valve (308), and chromatographic column (306) bottom is connected with by pipeline
Micro-sampling pin (310), and the micro-sampling pin (310) and needle valve assembly (303) are on the same axis, the tub
(305) shell (301) inside is mounted on by transposer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157323A (en) * | 2020-01-19 | 2020-05-15 | 防灾科技学院 | Winch piston type gas-fixing liquid-distributing device and method |
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2018
- 2018-12-20 CN CN201822144777.1U patent/CN209356267U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157323A (en) * | 2020-01-19 | 2020-05-15 | 防灾科技学院 | Winch piston type gas-fixing liquid-distributing device and method |
| CN111157323B (en) * | 2020-01-19 | 2023-11-10 | 防灾科技学院 | Winch piston type fixed gas and liquid distribution device and method |
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